/Engine/Source/Runtime/SlateCore/Public/Animation/CurveSequence.h
Add a new curve at a given time and offset.
AFCurveHandlethat can be used to get the value of this curve after the animation starts playing.
[FCurveHandle](API\Runtime\SlateCore\Animation\FCurveHandle) AddCurve ( const float InStartTimeSeconds, const float InDurationSeconds, const ECurveEaseFunction InEaseFunction )